39259521

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 67212288

約数和(自身を除く): 27952767

約数列:

[1, 3, 7, 9, 21, 63, 67, 71, 131, 201, 213, 393, 469, 497, 603, 639, 917, 1179, 1407, 1491, 2751, 4221, 4473, 4757, 8253, 8777, 9301, 14271, 26331, 27903, 33299, 42813, 61439, 65107, 78993, 83709, 99897, 184317, 195321, 299691, 552951, 585963, 623167, 1869501, 4362169, 5608503, 13086507, 39259521]

約数ペア:

[(1, 39259521), (3, 13086507), (7, 5608503), (9, 4362169), (21, 1869501), (63, 623167), (67, 585963), (71, 552951), (131, 299691), (201, 195321), (213, 184317), (393, 99897), (469, 83709), (497, 78993), (603, 65107), (639, 61439), (917, 42813), (1179, 33299), (1407, 27903), (1491, 26331), (2751, 14271), (4221, 9301), (4473, 8777), (4757, 8253)]